Investigation of Topic Modelling Methods for Understanding the Reports of the Mining Projects in Queensland

• URL: http://arxiv.org/abs/2111.03576v1
• Date: Fri, 5 Nov 2021 15:52:03 GMT
• Title: Investigation of Topic Modelling Methods for Understanding the Reports of the Mining Projects in Queensland
• Authors: Yasuko Okamoto, Thirunavukarasu Balasubramaniam, Richi Nayak
• Abstract summary: In the mining industry, many reports are generated in the project management process. Document clustering is a powerful approach to cope with the problem. Three methods, Latent Dirichlet Allocation (LDA), Nonnegative Matrix Factorization (NMF), and Nonnegative Factorization (NTF) are compared.
• Score: 2.610470075814367
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: In the mining industry, many reports are generated in the project management process. These past documents are a great resource of knowledge for future success. However, it would be a tedious and challenging task to retrieve the necessary information if the documents are unorganized and unstructured. Document clustering is a powerful approach to cope with the problem, and many methods have been introduced in past studies. Nonetheless, there is no silver bullet that can perform the best for any types of documents. Thus, exploratory studies are required to apply the clustering methods for new datasets. In this study, we will investigate multiple topic modelling (TM) methods. The objectives are finding the appropriate approach for the mining project reports using the dataset of the Geological Survey of Queensland, Department of Resources, Queensland Government, and understanding the contents to get the idea of how to organise them. Three TM methods, Latent Dirichlet Allocation (LDA), Nonnegative Matrix Factorization (NMF), and Nonnegative Tensor Factorization (NTF) are compared statistically and qualitatively. After the evaluation, we conclude that the LDA performs the best for the dataset; however, the possibility remains that the other methods could be adopted with some improvements.

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